Communication problem with Android Client & Pc As Server

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Java

Hi Friends !

I am new In Android. I have developed an application related to Client -Socket Connection (TCP);

Server ------------ My PC (Desktop)

Client ------------ HTC Desire HD --- Android

Both Server & Client are in same Network, Ping is successfully between Them.

Server Is running well , But communication for Client -Server is not running well.

------------------------------- SERVER CODING --------------

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.ServerSocket;
import java.net.Socket;



public class TCPDesktopServer implements Runnable{

    public static final String SERVERIP = "127.0.0.1"; // My system's IP Address
    public static final int SERVERPORT = 8080;

    public void run() {
         try {
        	 System.out.println("S: Connecting...");
             ServerSocket serverSocket = new ServerSocket(SERVERPORT);
             while (true) {      	 
            	 Socket client = serverSocket.accept();
            	 System.out.println("S: Receiving...");

            	 try {

                      BufferedReader in = new BufferedReader(new InputStreamReader(client.getInputStream()));
                      String str = in.readLine();
                      System.out.println("S: Received: '" + str + "'");
                    
            	 } catch(Exception e) {
                        System.out.println("S: Error");
                        e.printStackTrace();
                    
            	 } finally {
                    	client.close();
                        System.out.println("S: Done.");
                    }
             }       
         } catch (Exception e) {
             System.out.println("S: Error");
             e.printStackTrace();
         }
    }

    public static void main (String a[]) {

    	Thread desktopServerThread = new Thread(new TCPDesktopServer());
    	desktopServerThread.start();
    }
}

--------------------------------------- Client On Android Device-------

import java.io.BufferedWriter;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.net.InetAddress;
import java.net.Socket;

import android.util.Log;


public class TCPClient implements Runnable {
		
	
	public void run() {
         try {
        	 InetAddress serverAddr = InetAddress.getByName("127.0.0.1");
         	 Log.d("TCP", "C: Connecting...");
        	 Socket socket = new Socket(serverAddr, 8080);
        	 String message = "Hello from Client android emulator";

		     try {
		    	 Log.d("TCP", "C: Sending: '" + message + "'");
		    	 PrintWriter out = new PrintWriter( new BufferedWriter( new OutputStreamWriter(socket.getOutputStream())),true); 
		    	 out.println(message);
		    	 Log.d("TCP", "C: Sent.");
	             Log.d("TCP", "C: Done.");
		    	 
             } catch(Exception e) {
                 Log.e("TCP", "S: Error", e);

		     } finally {
		        socket.close();
		      }

         } catch (Exception e) {
              Log.e("TCP", "C: Error", e);
         }
    }
}

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